Spring-heel for horse and mule shoes



G. H. BURKE.

SPRING HEEL FOR HORSE AND MULE SHOES.

APPLICATION FILED NOV. 21. l9l7- RENEWED-MAR. 12.1919.

'1 ,3 1 7, 070 Patented Sept. 23, 1919.

gl'wue'n oz Gordon H Bur/re.

Quota;

GORDON H. BURKE, OF PLYMOUTH, NEW HAMPSHIRE.

SPRING-HEEL ronHonsE ALNID MULE SHOES.

Specification of Letters Patent.

Patented Sept. 23, 1919.

Application filed November 27, 1917, Serial No. 204,191. Renewed March12, 1919. Serial No. 282,194.

To all wkom it may concern:

Be it known that I, GoRooN H. BURKE, a citizen of the United Statesof'America, residing at Plymouth, in the county of Grafton, State of NewHampshire, have invented certain Improvements in Spring-Heels for Horseand Mule Shoes, of which the following is a description, referencebeinghad to the accompanying drawings, forming a part thereof.

The object of the invention is to provide,

. as an article of manufacture and as an attachment applicable toold andmore or less worn or new horseshoes, a device embodying a spring heeland rear calks which may be struck from plate metal, of uniformthickness and may be applied effectively and securely to the shoe, witha minlmum of manipulation, by the ordinary or moderately experiencedblacksmith or farrier.

Further objects and advantages of the invention will appear in thecourse of the following description, the same consisting in a simple andinexpensive construction and arrangement of parts of which a preferredform is illustrated in the drawings, in which- Figure 1 is a bottom planview of the device as seen when applied to the shoe;

Fig.2 is a top plan View also including the shoe and showing in dottedlines the positions of the forward lateral projections or cars as seenprior to the application of the article to the shoe;

Fig. 3 is a side view of the attachment, also as seen when applied tothe shoe; and

Fig. 4 is a plan view of the blank as seen when struck from the plate.

In some respects the device forming the subject-matter of this inventionis similar to that set forth in the patent of this applicant, No.1,170,218, granted Feb. 1, 1916, in that, like the former device it isconstructed of a suificiently resilient and resistent spring metal, suchas steel or any other metal, and is of substantially U-shape with thecross bar or loop of the U disposed at the heel of the horseshoe (whenin use) and with the upwardly extending arms provided with termi nalears, or inwardly extending projections, which are sufficiently pliableto adapt them to be bent around the inner edges of the sides of thehorseshoe to form holding clips, the body portion of the device,springing at a point adjacent to said clips, being deflected from theunder surface of the shoe, to permit of a yielding movement of the sametoward and from the plane of the shoe as the weight of the animal comesupon or is removed therefrom. 4

In the present construction the device is adapted to be struck from afiat sheet or plate of metal of uniform thickness to form a blank asillustrated in Fig. 4, whichembodies the general U-shape .as above notedwith the loop or cross-bar 10 curved or arched forwardly both at itsforward and rearward edges, to lie fairly within the contour of the shoe11 at the heeL-and the forwardly extending arms 12 follow approximatelythe curvature of the sides of the shoe and terminate in inwardlyprojecting cars 13 which are normally in the plane of the body portion.of the device but are adapted tobe bent upwardly and outwardly to thepositions shown in Figs. 1 and 2 (in full lines in the latter) toengagethe inner edges and upper surfaces of the sides of the shoe. In theconstruction illustrated the arms of the device may be arrangedtounderlie the rearmost nail-holes 1450f the shoe and may be providedwith corresponding and registering openings 15 through which therearmost nails, employed for securing the shoe in place, may be driven,but this is optional and not essentially necessary to the propersecuring of the attachment to the shoe, for the reason that the lengthof the arms of the attachment is regulated so as to engage the shoe atthe point of greatest width thereof.- Hence displacement forwardly orrearwardly is prevented by the curvature of the inner edges of the sidesof the shoe in front and in rear of the points of engagement of theclips. The portions of the attachment immediately adjacent to the clips,shown at 16, lie snugly in contact with the under surface of the shoe,and in rear of this clip, to-wit, at the point indi cated 17, the armsof the attachment are slightly deflected downwardly to cause adivergence of the body portion from the plane of the under surface ofthe shoe, this divergence progressing rearwardly.

Also forming a part of the blank thereof are outwardly extending ears 18formed integral with the U-shaped body portion of the attachment andsubstantially as continuations of the loop or cross-bar 10 of the U, andwhich are adapted to be bent downwardly, as indicated in Figs. 1 and 3,to form heel calks, which thus take the place tachment is applied to awom'0r 01d horssvshoe,'the said supplemental callgs supply thedeficiency due to the wearing away of calks of the "ordinary calksformed upon or at tached to the horseshoe, and when'the atwhich mayordinarily have been formed'on the shoe, and thus restore :theefficiency of the shoe in that respect, while adding the advantage ofthe spring-heel otherwisei i It is; obvious that the device embodyingthe principles and construction described can be constructed. at acomparatively negligible cost outside of that of the metalitself,

' ,in that it is adaptedto be,f0rmed,1practically ready forapplication'to'the shoe, by a single stroke of the die. The only addi- Vv tional manipulation is-that-incident to bending the calk members, thiscanbe done .at

the :same time that the blank is formed, should it be found desirabletofollow that course; The advantage in deferring this operationuntil theattachmentv is appliedto the shoe,-just as the bendingof the forward 7ears is deferred .until it is necessaryito-make claimed is: w

application, is that itpermits of thestackxlng and packing oftheattachments in c0mpact form so as #to occupy the :minimu space instorage-"and shipment. 7 Havin described the-invention whatis 1. As anarticle of manufacture; a springheel' attachment for horseshoes" of anytype,

copies -ot thtspate nt may be obtaine d for fiveicents eaoh, by addressing -i i i 1 v ,Washington, D. O.-;

th same consistin tr ansna ea plate ofsubstantially uniform thickness,provided at the 'e'xtremities*ofits with inward and at opposite sidesofitsfloop with outward pliable projections.

As an article of manufacture, a spring heelattachment for horseshoesofanyft'ype,

t me con i ti g of, a U;s hapedplate of provided with front and "rearlaterali.-projections.

3. Asan'article ofvmanufacturegaspring heel, attachment foriho'rseshoe's of any type,

portionsof saidfarms.

for a vspringshee-l attachment for horseshoes, V

the same beingstruok froma plate of metal and consisting of, asubstantially U-shaped body portion provided, with forward inwardlyextending and rearwardfoutwardly extending ears of even thicknes'sswithand lying in theiplane of said body portion.

V This specification signed and .wit'nessedthis.I0tl1;d.fly..0fNOYembi3,,A. D. 1917 A. KIMBQAVLL. V

r aoRnoN 40 which'the forwardly extending arms are T

